gha: Add k8s stability Kata CoCo GHA workflow

This PR adds the k8s stability Kata CoCo GHA workflow to run weekly
the k8s stability tests.

Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>

tests/stability/gha-stability-run.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+#
+# Copyright (c) 2024 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+stability_dir="$(dirname "$(readlink -f "$0")")"
+source "${stability_dir}/../common.bash"
+source "${stability_dir}/../metrics/lib/common.bash"
+
+function run_tests() {
+	info "Running scability test using ${KATA_HYPERVISOR} hypervisor"
+	bash "${stability_dir}/kubernetes_stability.sh"
+}
+
+function main() {
+	action="${1:-}"
+	case "${action}" in
+		run-tests) run_tests ;;
+		*) >&2 die "Invalid argument" ;;
+	esac
+}
+
+main "$@"
+